Home / 172,648.24-258,884.04-79,073.80

Finding the Fourth Proportional to 172,648.24, 258,884.04 and 79,073.80

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Solution

The fourth proportional to 172,648.24, 258,884.04 and 79,073.80 is: 118,570.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,648.24 : 258,884.04 = 79,073.80 : x
  2. Step 2: Convert to fraction form
    172,648.24/258,884.04 = 79,073.80/x
  3. Step 3: Cross multiply
    172,648.24x = 258,884.04 × 79,073.80
  4. Step 4: Simplify right side
    172,648.24x = 20,470,944,802.15
  5. Step 5: Solve for x
    x = 20,470,944,802.15/172,648.24
  6. Step 6: Final answer
    x = 118,570.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.